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<head><meta charset="utf-8"><title>cannot use const params from macros as const args without... · project-const-generics · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/260443-project-const-generics/index.html">project-const-generics</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/260443-project-const-generics/topic/cannot.20use.20const.20params.20from.20macros.20as.20const.20args.20without.2E.2E.2E.html">cannot use const params from macros as const args without...</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/260443-project-const-generics/topic/cannot%20use%20const%20params%20from%20macros%20as%20const%20args%20without.../near/216979188" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/260443-project-const-generics/topic/cannot.20use.20const.20params.20from.20macros.20as.20const.20args.20without.2E.2E.2E.html#216979188">(Nov 17 2020 at 09:03)</a>:</h4>
<p>see <a href="https://github.com/rust-lang/rust/issues/79127">#79127</a>, this is not blocking stabilization but would still be nice to see fixed <span aria-label="laughing" class="emoji emoji-1f606" role="img" title="laughing">:laughing:</span> </p>
<p><span class="user-mention" data-user-id="121053">@varkor</span> wrote some instructions in <a href="https://github.com/rust-lang/rust/pull/78916/files#r521628300">https://github.com/rust-lang/rust/pull/78916/files#r521628300</a>. I believe some familiarity with the parser is really helpful here, so it might not be a good first issue.</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/260443-project-const-generics/topic/cannot%20use%20const%20params%20from%20macros%20as%20const%20args%20without.../near/217130691" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> varkor <a href="https://rust-lang.github.io/zulip_archive/stream/260443-project-const-generics/topic/cannot.20use.20const.20params.20from.20macros.20as.20const.20args.20without.2E.2E.2E.html#217130691">(Nov 18 2020 at 12:59)</a>:</h4>
<p>I opened <a href="https://github.com/rust-lang/rust/issues/79164">#79164</a>, which should fix this.</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/260443-project-const-generics/topic/cannot%20use%20const%20params%20from%20macros%20as%20const%20args%20without.../near/217131018" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/260443-project-const-generics/topic/cannot.20use.20const.20params.20from.20macros.20as.20const.20args.20without.2E.2E.2E.html#217131018">(Nov 18 2020 at 13:01)</a>:</h4>
<p>awesome <span aria-label="heart" class="emoji emoji-2764" role="img" title="heart">:heart:</span></p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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